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Diaphragms

A diaphragm is a barrier method of contraception. It’s a soft, dome-shaped flexible cup that you put inside your vagina.

The diaphragm helps prevent pregnancy by covering your cervix and stopping sperm getting into your womb (uterus) to fertilise an egg.

A diaphragm must be used with a gel called a spermicide which kills sperm.

In the UK, there’s currently only one type of diaphragm available – the Caya Diaphragm

  • You only need to use a diaphragm when you have sex
  • The Caya Diaphragm must be used with Cayagel, a spermicide gel which kills sperm and gives extra protection
  • You insert the diaphragm yourself before sex
  • You only use it when you’re going to have sex, and it must stay in place for at least 6 hours after sex
  • You may have to add extra spermicide gel if you have sex more than three hours after putting it in
  • It’s non-hormonal and has very few side effects
  • A diaphragm needs to fit properly over your cervix – if you’re unsure, a sexual health clinician can check
  • It’s less effective than other contraception methods
  • It does NOT protect against STIs – so you will need to use condoms as well

Please note, your diaphragm must be replaced every two years. You can find your nearest sexual health clinic, either through NHS website or using the Find a Service option.

Emergency

If your local GP or sexual health clinic is closed or you need to access help or medication over a weekend, emergency information is available here:

Emergency Contraception HIV PEP SEXUAL ASSAULT ABORTION